Parameter identification of a phase-field fracture model using integrated digital image correlation

V Kosin, A Fau, C Jailin, F Hild, T Wick - Computer Methods in Applied …, 2024 - Elsevier
Phase-field fracture (PFF) modeling is a popular approach to model and simulate fracture
processes in solids. Accurate material parameters and boundary conditions are of utmost …

Experimental characterization and numerical modelling of fracture processes in granite

F Parisio, A Tarokh, R Makhnenko, D Naumov… - International Journal of …, 2019 - Elsevier
Failure in brittle rock happens because micro-cracks in the crystal structure coalesce and
form a localized fracture. The propagation of the fracture is in turn strongly influenced by …

Non-local continuum damage model for poro-viscoelastic porous media

Y Chen, ME Mobasher, T You, H Waisman - International Journal of Rock …, 2022 - Elsevier
We present a novel poro-damage-viscoelastic model for predicting the failure response of
fluid-saturated porous geomaterials. The Generalized Maxwell model is introduced for the …

[HTML][HTML] A large strain anisotropic ductile damage model—Effective driving forces and gradient-enhancement of damage vs. plasticity

L Sprave, A Menzel - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
A novel anisotropic ductile damage model at finite strains is proposed in this work. The
model is formulated based on the fictitious configuration concept and includes deformation …

Anisotropic damage modeling of concrete materials

R Desmorat - International Journal of Damage Mechanics, 2016 - journals.sagepub.com
An anisotropic damage model is proposed for concrete materials. As required by
thermodynamics a single damage variable, tensorial, is considered for any loading: as a …

From diffuse damage to strain localization from an Eikonal Non-Local (ENL) Continuum Damage model with evolving internal length

G Rastiello, C Giry, F Gatuingt, R Desmorat - Computer methods in applied …, 2018 - Elsevier
Abstract Integral Non-Local (INL) formulations are often used to regularize Continuum
Damage computations, in the presence of stress softening for instance. The introduction of a …

Comparative verification of discrete and smeared numerical approaches for the simulation of hydraulic fracturing

K Yoshioka, F Parisio, D Naumov, R Lu… - … -International Journal on …, 2019 - Springer
The numerical treatment of propagating fractures as embedded discontinuities is a
challenging task for which an analyst has to select a suitable numerical method from a range …

[HTML][HTML] Localization analysis of nonlocal models with damage-dependent nonlocal interaction

M Jirásek, R Desmorat - International Journal of Solids and Structures, 2019 - Elsevier
This paper systematically evaluates (in the one-dimensional setting) the performance of a
new type of integral nonlocal averaging scheme, initially motivated by the idea of internal …

Efficient algorithmic incorporation of tension compression asymmetry into an anisotropic damage model

M Fassin, R Eggersmann, S Wulfinghoff… - Computer Methods in …, 2019 - Elsevier
In order to exclude spurious failure in compression the consideration of tension compression
asymmetry (TCA) in damage models is of great interest in research as well as in industry …

Differential geometry-based thermodynamics derivation of isotropic and anisotropic eikonal non-local gradient (ENLG) damage models using a micromorphic media …

BR Nogueira, G Rastiello, C Giry, F Gatuingt… - Engineering Fracture …, 2024 - Elsevier
The Eikonal non-local damage (ENL) approach models damage as a space-deforming
phenomenon that affects the interaction distance between material points. As damage …